One-word substitution (illegal trade): Identify the correct term for a person who brings goods into a country unlawfully, evading customs and duties. Context: The activity typically involves contraband, tax evasion, or import restrictions. Instruction: Choose the most accurate single-word substitute.

Given data

• Core meaning: one who brings goods illegally into the country.
• Contrast with lawful commerce roles (importer/exporter).

Concept / Approach
A smuggler transports goods illicitly across borders to avoid duties or bans.

Elimination
Smuggler — engages in unlawful importation. ✅Importer/Exporter — lawful trade roles. ❌Fraud — general deception; not specifically border contraband. ❌

Example
Seizing undeclared gold from a smuggler at an airport.

Final Answer
Smuggler